Sajjad, S., S. Haroon, and R. Mumtaz. “ORAL HYGIENE PRACTICES IN PRIMARY SCHOOL CHILDREN AND THEIR TEACHERS IN A PERI-URBAN LOCALITY OF ISLAMABAD”. Pakistan Oral & Dental Journal, Vol. 38, no. 1, May 2018, pp. 71-74, http://podj.com.pk/index.php/podj/article/view/139.